senior mainframe developer jobs in Rickmansworth

Senior Development Manager - Onshore Wind, Solar, Battery Storage Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project development function in 2026. This company are an IPP with a demonstrable track record in successful development,...

BRAND NEW ROLE - Senior Exec Level - Marine Geo Director of Business Development - Geotechnical Engineering & Geoscience Consulting About the Company Our client are a growing offshore geotechnical services and consulting unit, focused on delivering high-quality, technically robust solutions across the offshore, nearshore, and onshore environments. While offshore geotechnical investigations...

We're the #1 symptom tracker on iOS and Android and looking for a senior react native developer to help continue our growth The basics - React Native developer (5y+ experience) - £70,000 base salary - Make a genuine difference to the lives of people with health conditions - Work with a lovely bunch of people - Fully remote, full-time position - Based in the UK or EU If this sounds like...

Job Title: Senior Business Development Manager – Sponsorship Sales (B2B Tech Events) Location: Remote (UK-based) with occasional team meet-ups Salary: £60,000 - £70,000 base DOE + uncapped commission (OTE £155k–£205k+) Job Type: Full-time, Permanent About Rela8 Group At Rela8 Group, we connect the world's leading tech vendors with senior IT, Security, and Data decision-makers through...

You will be a hands-on player-coach, owning outreach and qualification while also helping to design the BDR/SDR process, playbooks and best practices.

You will use modern tools (HubSpot, Clay, Instantly, Lemlist, etc.) and AI to build signal-based, multi-channel plays that generate qualified meetings and pipeline across both partners and direct prospects.

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

Senior Business Development Manager – Fleet Mobility Solutions Provider £50,000 basic - £55,000 basic + £25,000 OTE Uncapped + EV Company Car If you're ready to make an impact, this is the role that puts you in the driving seat. A competitive package, a premium company car, and the chance to join a private equity-backed business on a rapid growth trajectory. Expect pace, ambition, and the kind...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‐standing third‐party clients, we're scaling our own SaaS product—Spark...

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW's app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

You will be responsible for identifying and managing new business opportunities with Tier 1 contractors, water utilities, and engineering firms, ensuring a robust pipeline for our innovative solutions.

You will move beyond simple lead generation, managing the entire journey from initial outreach to proposal support and closing contracts with key infrastructure players.

You will leverage value-based selling and industry expertise to position Redslim as the leading data solutions provider. Your Key Responsibilities Business Development & Sales Strategy – Identify new opportunities, pitch high-value solutions, and expand Redslim's presence. Value-Based Selling – Develop compelling value propositions that align with client needs and showcase measurable ROI.

Carpigiani UK Carpigiani UK is a direct trading subsidiary of Carpigiani Ali Spa, the undisputed world leader in the manufacture of gelato & ice cream and frozen beverage equipment (Itself, part of Ali Group). CUK has a broad client base across many sectors, nationwide (QSR, Leisure, Casual Dining, Fine Dining, Retail etc.). We are a close-knit UK team of circa 40 directly employed staff where...

National Role | UK-wide Travel The following information aims to provide potential candidates with a better understanding of the requirements for this role. Sector: Consumer Trade | Industrial Woodworking | Construction & Decoration The Role We're looking for a strategic, commercially driven individual, with a strong track record in developing national accounts and unlocking new business...

You will set and deliver a modern and innovative Client Development & Marketing strategy that elevates brand presence, sharpens market positioning and drives meaningful client engagement. As a senior leader, you'll influence at the highest level, partnering closely with the Global Managing Partner, heads of groups, and other senior stakeholders.

The Company A well respected and long-established regional building contractor set up as a family business and still running with those values today. The Company is a profitable, well-run organisation, operating primarily in London and the South East with clients across multiple sectors but particularly in heritage, education and healthcare. There is now an exciting opportunity to join as...

Business Development Manager - Electric Vehicle Charging into Hospitality Salary - £45K - £50K + Uncapped Comms + £6,500 Car Allowance + Share Options Scheme Field Based / Work from home in the UK Your New Employer This is a high-growth EV charging business with a genuinely different approach - not just in what they install, but in how they win and keep customers. They own their own software...

Voxxa is building a partner-led communications platform, working with MSPs and IT consultancies to deliver smarter voice and communications to their customers. We're looking for a Partner Development Representative with a strong entrepreneurial mindset to help us grow our partner ecosystem. This is not a traditional SDR role, and it's not a highly structured environment. Important...

Sales Development Representative (SDR) – SaaS HR Tech Harpenden HQ (Hybrid) | £28K–£32K + Bonus | Scale-Up with Global Reach Do you want to break into SaaS sales and be part of a company that's genuinely changing how organisations listen to and engage with their people? We're working with a fast-growing HR tech scale-up that partners with some of the UK's biggest enterprises, universities, and...